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Better on paper
Read the verdict: Phone (4b) vs Y400 5G
Display
SpecPhone (4b)Y400 5G
Size
6.77 inches
6.67 inches
Panel
Super AMOLED
AMOLED
Resolution
2344 x 1080 (Full HD+)
2400 x 1080 (Full HD+) (better)
Refresh rate
120Hz
120Hz
Peak brightness
2,000 nits (better)
1,800 nits
Protection
Dragontrail Pro Glass
Not listed
Performance
SpecPhone (4b)Y400 5G
Chipset
Snapdragon 6 Gen 4
Snapdragon 4 Gen 2
CPU
Octa-core, up to 2.3GHz
Octa-core, up to 2.2GHz
GPU
Adreno 810
Not listed
RAM
6GB, 8GB
8GB
Storage
128GB, 256GB
128GB
Software
Nothing OS 4.1, Android 16 · 3 OS updates
Funtouch OS 15, Android 15
Camera
SpecPhone (4b)Y400 5G
Rear cameras
50MP main (OIS) + ultrawide
50MP main (f/1.8) + 2MP depth (f/2.4)
Front camera
16MP
32MP (f/2.45)
Video
4K at 30fps (rear)
Not listed
Battery
SpecPhone (4b)Y400 5G
Battery
6,000 mAh
6,000 mAh
Wired charging
33W
90W (better)
Build and connectivity
SpecPhone (4b)Y400 5G
Network
5G (SA/NSA), 4G LTE
5G (SA/NSA), 4G VoLTE
SIM
Dual nano SIM
Dual nano SIM
Wi-Fi and Bluetooth
Wi-Fi 6, Bluetooth 6.0
Dual-band Wi-Fi (2.4GHz, 5GHz), Bluetooth
NFC
No
No
Dust and water
IP64
IP68 and IP69 (better)
Weight
210 g
197 g (better)
Thickness
8.6 mm
7.9 mm (better)
Colours
White, Black, Blue
Glam White, Olive Green
Availability
SpecPhone (4b)Y400 5G
Launch in India
7 Jul 2026
4 Aug 2025
Status
On sale
On sale
Versions and prices
6GB + 128GB₹29,9998GB + 128GB₹39,9998GB + 256GB₹40,999
8GB + 128GB₹31,999